2. EL 8
  3. lapack
  4. izmax1(3)

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izmax1.f(3) LAPACK izmax1.f(3)

NAME

izmax1.f

SYNOPSIS

Functions/Subroutines


integer function izmax1 (N, ZX, INCX)
IZMAX1 finds the index of the first vector element of maximum absolute value.

Function/Subroutine Documentation

integer function izmax1 (integer N, complex*16, dimension(*) ZX, integer INCX)

IZMAX1 finds the index of the first vector element of maximum absolute value.

Purpose: 



 IZMAX1 finds the index of the first vector element of maximum absolute value.


 Based on IZAMAX from Level 1 BLAS.


 The change is to use the 'genuine' absolute value.

Parameters:

N 



          N is INTEGER


          The number of elements in the vector ZX.

ZX



          ZX is COMPLEX*16 array, dimension (N)


          The vector ZX. The IZMAX1 function returns the index of its first


          element of maximum absolute value.

INCX



          INCX is INTEGER


          The spacing between successive values of ZX.  INCX >= 1.

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

February 2014

Contributors:

Nick Higham for use with ZLACON.

Definition at line 83 of file izmax1.f.

Author

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Tue Nov 14 2017 Version 3.8.0